{"id":236195,"date":"2022-02-27T08:36:36","date_gmt":"2022-02-27T00:36:36","guid":{"rendered":"https:\/\/lrxjmw.cn\/?p=236195"},"modified":"2022-02-21T15:37:23","modified_gmt":"2022-02-21T07:37:23","slug":"properties-and-methods","status":"publish","type":"post","link":"https:\/\/lrxjmw.cn\/properties-and-methods.html","title":{"rendered":"XML DOM &#8211; \u5c5e\u6027\u548c\u65b9\u6cd5\u6982\u8ff0"},"content":{"rendered":"<table>\n<tbody>\n<tr>\n<td style=\"padding: 5px 12px; width: 25px; font-size: 22px; text-align: center; background: #E8E8E8; line-height: 30px; color: #999;\">\u5bfc\u8bfb<\/td>\n<td style=\"padding: 10px 10px 12px; line-height: 20px;\"><strong>\u5c5e\u6027\u548c\u65b9\u6cd5\u5411 XML DOM \u5b9a\u4e49\u4e86\u7f16\u7a0b\u63a5\u53e3\u3002<\/strong><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/lrxjmw.cn\/wp-content\/uploads\/2022\/02\/8-4-300x225.jpg\" alt=\"\" width=\"300\" height=\"225\" class=\"alignnone size-medium wp-image-236196\" srcset=\"https:\/\/lrxjmw.cn\/wp-content\/uploads\/2022\/02\/8-4-300x225.jpg 300w, https:\/\/lrxjmw.cn\/wp-content\/uploads\/2022\/02\/8-4.jpg 680w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/p>\n<div   id="j6sjwn9j3u"    style=\"font-size: 14pt; color: white; background-color: black; border-left: red 10px solid; padding-left: 14px; margin-bottom: 20px; margin-top: 20px;\"><strong>\u7f16\u7a0b\u63a5\u53e3<\/strong><\/div>\n<p>DOM \u628a XML \u6a21\u62df\u4e3a\u4e00\u7cfb\u5217\u8282\u70b9\u5bf9\u8c61\u3002\u53ef\u901a\u8fc7 JavaScript \u6216\u5176\u4ed6\u7f16\u7a0b\u8bed\u8a00\u6765\u8bbf\u95ee\u8282\u70b9\u3002\u5728\u672c\u6559\u7a0b\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528 JavaScript\u3002<\/p>\n<p>\u5bf9 DOM \u7684\u7f16\u7a0b\u63a5\u53e3\u662f\u901a\u8fc7\u4e00\u5957\u6807\u51c6\u7684\u5c5e\u6027\u548c\u65b9\u6cd5\u6765\u5b9a\u4e49\u7684\u3002<\/p>\n<p>\u5c5e\u6027\u7ecf\u5e38\u6309\u7167\"\u67d0\u4e8b\u7269\u662f\u4ec0\u4e48\"\u7684\u65b9\u5f0f\u6765\u4f7f\u7528\uff08\u4f8b\u5982\u8282\u70b9\u540d\u662f \"book\"\uff09\u3002<\/p>\n<p>\u65b9\u6cd5\u7ecf\u5e38\u6309\u7167\"\u5bf9\u67d0\u4e8b\u7269\u505a\u4ec0\u4e48\"\u7684\u65b9\u5f0f\u6765\u4f7f\u7528\uff08\u4f8b\u5982\u5220\u9664 \"book\" \u8282\u70b9\uff09\u3002<\/p>\n<div   id="j6sjwn9j3u"    style=\"font-size: 14pt; color: white; background-color: black; border-left: red 10px solid; padding-left: 14px; margin-bottom: 20px; margin-top: 20px;\"><strong>XML DOM \u5c5e\u6027<\/strong><\/div>\n<p>\u4e00\u4e9b\u5178\u578b\u7684 DOM \u5c5e\u6027\uff1a<\/p>\n<ol>\n<li>x.nodeName - x \u7684\u540d\u79f0<\/li>\n<li>x.nodeValue - x \u7684\u503c<\/li>\n<li>x.parentNode - x \u7684\u7236\u8282\u70b9<\/li>\n<li>x.childNodes - x \u7684\u5b50\u8282\u70b9<\/li>\n<li>x.attributes - x \u7684\u5c5e\u6027\u8282\u70b9<\/li>\n<\/ol>\n<p>\u6ce8\u91ca\uff1a\u5728\u4e0a\u9762\u7684\u5217\u8868\u4e2d\uff0cx \u662f\u4e00\u4e2a\u8282\u70b9\u5bf9\u8c61\u3002<\/p>\n<div   id="j6sjwn9j3u"    style=\"font-size: 14pt; color: white; background-color: black; border-left: red 10px solid; padding-left: 14px; margin-bottom: 20px; margin-top: 20px;\"><strong>XML DOM \u65b9\u6cd5<\/strong><\/div>\n<ol>\n<li>x.getElementsByTagName(name) - \u83b7\u53d6\u5e26\u6709\u6307\u5b9a\u6807\u7b7e\u540d\u79f0\u7684\u6240\u6709\u5143\u7d20<\/li>\n<li>x.appendChild(node) - \u5411 x \u63d2\u5165\u5b50\u8282\u70b9<\/li>\n<li>x.removeChild(node) - \u4ece x \u5220\u9664\u5b50\u8282\u70b9<\/li>\n<\/ol>\n<p>\u6ce8\u91ca\uff1a\u5728\u4e0a\u9762\u7684\u5217\u8868\u4e2d\uff0cx \u662f\u4e00\u4e2a\u8282\u70b9\u5bf9\u8c61\u3002<\/p>\n<div   id="j6sjwn9j3u"    style=\"font-size: 14pt; color: white; background-color: black; border-left: red 10px solid; padding-left: 14px; margin-bottom: 20px; margin-top: 20px;\"><strong>\u5b9e\u4f8b<\/strong><\/div>\n<p>\u4ece books.xml \u4e2d\u7684 &lt;title&gt; \u5143\u7d20\u83b7\u53d6\u6587\u672c\u7684 JavaScript \u4ee3\u7801\uff1a<\/p>\n<p>txt=xmlDoc.getElementsByTagName(\"title\")[0].childNodes[0].nodeValue<\/p>\n<p>\u5728\u8be5\u8bed\u53e5\u6267\u884c\u540e\uff0ctxt \u4fdd\u5b58\u7684\u503c\u662f \"Everyday Italian\"\u3002<\/p>\n<p>\u89e3\u91ca\uff1a<\/p>\n<ol>\n<li>xmlDoc - \u7531\u89e3\u6790\u5668\u521b\u5efa\u7684 XML DOM \u5bf9\u8c61<\/li>\n<li><b>getElementsByTagName(\"title\")[0]<\/b> - \u7b2c\u4e00\u4e2a &lt;title&gt; \u5143\u7d20<\/li>\n<li><b>childNodes[0]<\/b> - &lt;title&gt; \u5143\u7d20\u7684\u7b2c\u4e00\u4e2a\u5b50\u8282\u70b9\uff08\u6587\u672c\u8282\u70b9\uff09<\/li>\n<li>nodeValue - \u8282\u70b9\u7684\u503c\uff08\u6587\u672c\u672c\u8eab\uff09<\/li>\n<\/ol>\n","protected":false},"excerpt":{"rendered":"<p>DOM \u628a XML \u6a21\u62df\u4e3a\u4e00\u7cfb\u5217\u8282\u70b9\u5bf9\u8c61\u3002\u53ef\u901a\u8fc7 JavaScript \u6216\u5176\u4ed6\u7f16\u7a0b\u8bed\u8a00\u6765\u8bbf\u95ee\u8282\u70b9\u3002\u5728\u672c\u6559\u7a0b\u4e2d\uff0c [&hellip;]<\/p>\n","protected":false},"author":1481,"featured_media":236197,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[55],"tags":[],"class_list":["post-236195","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-thread"],"acf":[],"_links":{"self":[{"href":"https:\/\/lrxjmw.cn\/wp-json\/wp\/v2\/posts\/236195","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/lrxjmw.cn\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/lrxjmw.cn\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/lrxjmw.cn\/wp-json\/wp\/v2\/users\/1481"}],"replies":[{"embeddable":true,"href":"https:\/\/lrxjmw.cn\/wp-json\/wp\/v2\/comments?post=236195"}],"version-history":[{"count":3,"href":"https:\/\/lrxjmw.cn\/wp-json\/wp\/v2\/posts\/236195\/revisions"}],"predecessor-version":[{"id":236200,"href":"https:\/\/lrxjmw.cn\/wp-json\/wp\/v2\/posts\/236195\/revisions\/236200"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/lrxjmw.cn\/wp-json\/wp\/v2\/media\/236197"}],"wp:attachment":[{"href":"https:\/\/lrxjmw.cn\/wp-json\/wp\/v2\/media?parent=236195"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/lrxjmw.cn\/wp-json\/wp\/v2\/categories?post=236195"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/lrxjmw.cn\/wp-json\/wp\/v2\/tags?post=236195"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}